Don’t get stuck with these siding problems
Improper installation of your EIFS siding leads to moisture retention when sealing around fixtures, joints, and edges is incomplete or the drainage layer is missing.
Impact damage punctures EIFS stucco more easily than traditional stucco because your system has a foam backing layer instead of a hard surface underneath the finish.
Detaching EIFS panels signal installation problems in your home, including inadequate fasteners, poor wall prep, or moisture damage weakening the attachment over time.
Hiring a local stucco professional provides peace of mind when you need repairs or reinstallation, keeping your home protected from moisture intrusion and structural issues.
Exterior Insulation Finishing System (EIFS), often referred to as “synthetic stucco,” is an exterior cladding system consisting of multiple layers and with a finish that mimics traditional stucco. Like most cladding and siding materials, there are EIFS stucco pros and cons to consider before you decide if this is the right material for you. Benefits include a lighter weight than stucco, flexibility, and energy efficiency. We explore six common EIFS stucco problems and how to solve them.
Improper installation of EIFS stucco can lead to moisture retention in both the multiple EIFS layers and behind them in your exterior walls. The most common causes of moisture retention include incomplete sealing around fixtures, joints, and edges, an improperly installed or missing drainage layer, and gaps around windows and doors.
To prevent moisture retention, ensure that your EIFS system has been properly installed, including the drainage layer. You’ll also need to regularly inspect the edges of the cladding to ensure all gaps are fully sealed and there’s adequate sealant to waterproof your stucco. Sealant can deteriorate over time, so it’s important to check that it’s still intact and working properly.
This type of stucco alternative is far more susceptible to impact damage than traditional stucco. Unlike stucco, which has a hard surface directly underneath the finish, EIFS stucco is installed over a layer of foam backing, so any impact can puncture the finish and damage the underlying layers.
Installing impact-resistant barriers like kick plates can help prevent ground-level damage. Take extra care when working near or on your home’s exterior to avoid puncturing the EIFS with ladders or tools. If you do notice any holes, cracks, or other impact damage, promptly repair the damage before it has a chance to worsen.
EIFS stucco may detach from your home’s exterior walls, leading to moisture intrusion and structural issues. This may happen if not enough or the wrong kind of fasteners were used during installation, if the exterior surface wasn’t prepared correctly before installing the EIFS, or if the attachment was weakened over time due to moisture damage or material deterioration.
To prevent detaching, ensure that all installation steps have been followed exactly, including wall prep and the number and type of fasteners. If your EIFS stucco is detaching from the wall long after installation, consult a pro who does stucco repair to fix or reinstall the cladding.
Some adhesives, sealants, and EIFS panels installed without expansion joints may not have enough flexibility to be able to expand and contract with temperature changes, causing cracks where the material has been stressed. Cracked panels allow water infiltration, worsening the problem and damaging your exterior walls.
To prevent cracking from temperature fluctuations, use only high-quality, flexible adhesives and sealants and use expansion joints when installing large EIFS panels. If you discover existing cracks, promptly repair them, since continued temperature changes will cause the cracks to expand further.
Discolored EIFS stucco can result from water retention, dirt and debris, or mold, mildew, algae, or fungal growth. Any of these issues can cause staining in the EIFS layers, discoloring the finish and leaving an obvious eyesore.
Regularly clean your EIFS stucco according to the manufacturer or installer’s recommendations, which will help remove dirt and discourage biological growth. Using a waterproof sealant can offer an additional layer of protection against water and other environmental factors. In addition, trim back any plant growth that comes in contact with the side of your house to improve airflow and avoid moisture retention and staining.
Because EIFS is prone to small cracks and holes, it’s also susceptible to pest infestations. Pests can tunnel through the layers of EIFS and gain access to your home, doing damage as they move through your home’s exterior components.
Repair any holes or cracks as soon as you notice them and ensure all gaps are fully sealed. Inspect your home’s exterior for signs of pests and use the appropriate treatments to discourage them from invading your home.
When it comes to EIFS, if you need to repair or replace your stucco, call a local stucco pro. The installation and repair process needs to be done exactly right to maintain your home’s protection, so you shouldn’t chance further damage by trying to DIY.
Be sure to ask a stucco pro you’re interviewing if they have experience with EIFS stucco, since it differs from traditional stucco in many ways. EIFS stucco can be more expensive than the cost to stucco a house, so you’ll want to be sure the job’s done correctly. Removing stucco is also a job best handled by the pros, since improper removal can damage your home’s exterior.
Homeowners need to manage moisture to protect the longevity of their siding, which is where weather-resistant barriers come into play. Professional installation, especially with stucco, is essential for preventing cracks as well as keeping the foundation protected.
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